3260 Hertlein Pl, Castro Valley, CA 94546 Property Records

Alameda County property record for 3260 Hertlein Pl, Castro Valley, CA 94546

Property Summary

Property Type	Single Family Home
Details	4 bd · 4 ba · 2,363 sqft · built 1991
Lot Size	0.143 acres (6,246 sqft)
Owner	Company Name on Record
Tax Bill	$7,767 (2025)
Deeds & Mortgages	Feb 2021 Transfer Feb 2021 Mortgage + 2 more
Flood Zone	Zone X (moderate risk)
APN	`84B-510-27`

Property Details

APN / Parcel Number

Primary APN	`84B-510-27`
Alternative APN	`084B-0510-027-00`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,363 sqft Living Area

Exterior

Year Built	Built 1991
Effective Year Built	Effective 1996
Architectural Style	L-Shape
Construction Type	Wood
Lot Area	6,246 sqft (0.143 acres)
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	3260 HERTLEIN PL
City	CASTRO VALLEY
State	CA
Zip	94546-2900
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT: 00003 BLK: TR: 5100
Legal Subdivision	TRACT NO 5100
Legal Tract	5100
Legal Lot Number	3
Jurisdiction	ALAMEDA CA
Township / Civil Division	HAYWARD
Census Block Group	4
Census Block	4000
Census Tract	430600

Owner

Source: Alameda County records, as of August 5, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	3260 HERTLEIN PL, CASTRO VALLEY, CA 94546-2900
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Feb 18, 2021	Intrafamily Transfer, Transfer ATLAS TITLE COMPANY
Feb 18, 2021	Intrafamily Transfer, Transfer · VA Mortgage GRIFFIN FUNDING INC
Jul 21, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY
Apr 27, 2020	Correction Deed FIRST AMERICAN TITLE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 18, 2021
Deed Sale	Feb 18, 2021
Deed Document Number	202168573
Prior Transfer Date	Feb 3, 2021
Prior Transfer Doc	0000068573
Record Updated	Oct 29, 2026

February 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Feb 18, 2021
Property Address	3260 HERTLEIN PL, CASTRO VALLEY, CA 94546-2900
Document Number	0000068575
Map Reference	MB 181 PG 35
Instrument Date	Feb 3, 2021
Instrument	2021068575
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	ATLAS TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	3260 HERTLEIN PL, CASTRO VALLEY, CA 94546-2900

February 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	ALAMEDA CA
Recording Date	Feb 18, 2021
Property Address	3260 HERTLEIN PL, CASTRO VALLEY, CA 94546-2900
Document Number	0000068573
Map Reference	MB 24 PG 11
Instrument Date	Feb 3, 2021
Instrument	2021068573
Transaction Type	Transfer
Record Updated	Aug 19, 2021
Title Company	ATLANTIS TITLE COMPANY, ATLAS TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	3260 HERTLEIN PL, CASTRO VALLEY, CA 94546-2900

Mortgage

Document Number	0000068574
Date	Feb 18, 2021
Instrument	2021068574

Lender

Name	GRIFFIN FUNDING INC
Type	Mortgage Company

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2051

July 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	ALAMEDA CA
Recording Date	Jul 21, 2020
Property Address	3260 HERTLEIN PL, CASTRO VALLEY, CA 94546-2900
Document Number	0000172055
Instrument Date	Jun 26, 2020
Instrument	172055
Transaction Type	Transfer
Record Updated	Sep 9, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	3260 HERTLEIN PL CASTRO VALLEY CA 945462900, CASTRO VALLEY, CA 94546-2900

April 2020: Correction Deed

Document Type	Correction Deed
Jurisdiction	ALAMEDA CA
Recording Date	Apr 27, 2020
Property Address	3260 HERTLEIN PL, CASTRO VALLEY, CA 94546-2900
Document Number	0000095496
Map Reference	MB 24 PG 11
Instrument Date	Apr 20, 2020
Instrument	2020095496
Record Updated	Aug 19, 2021
Title Company	FIRST AMERICAN TITLE

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	3260 HERTLEIN PL, CASTRO VALLEY, CA 94546-2900

Tax Assessment & Valuation

Source: Alameda County assessment roll, as of August 5, 2026

Property Jurisdictions

Type	Name
State	California
County	Alameda County
Unified School District	Castro Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$596,424 (+0.82%) Land $181,027 Building $422,397
2025	$7,767.00 (+4.09%) Homeowner's exemption	$591,593 (+4.04%) Land $177,478 Building $414,115
2023	$7,462.00 Homeowner's exemption	$568,623 Land $170,587 Building $398,036	$1,112,130

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 769 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Sonic Telecom Fiber	10,000 / 10,000
AT&T Fiber · DSL · Fixed Wireless in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Unwired, Verizon.

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